Update app.py

app.py

@@ -37,7 +37,8 @@ if __name__ == "__main__":
         with gr.Row():
             with gr.Column(scale=2):
                 timesteps_celeb = gr.Radio(
-                    label='Timestep', choices=[10, 20, 50, 100, 200, 1000]
+                    label='Timestep', choices=[10, 20, 50, 100, 200, 1000],
+                    value=20
                 )
                 sample_celeb_btn = gr.Button("Sample")
 
@@ -60,7 +61,8 @@ if __name__ == "__main__":
                         value=0
                     )
                     timesteps = gr.Radio(
-                        label='Timestep', choices=[10, 20, 50, 100, 200, 1000]
+                        label='Timestep', choices=[10, 20, 50, 100, 200, 1000],
+                        value=20
                     )
                 with gr.Row():
                     sample_mnist_btn = gr.Button("Sample")